EE WAS WORKING IN #2 FINISH MILL BALL REMOVING SHELL LINERS FROM INSIDE OF MILL. DEVELOPED SORENESS AND STIFFNESS IN BACK FROM LIFTING LINERS, WAS SENT FOR MEDICAL EVALUATION. WAS GIVEN A PRESCRIPTION FOR MUSCLE RELAXERS AND ALSO WAS GIVEN PHYSICAL THERAPY. WAS UNABLE TO RETURN TO WORK HIS NEXT SCHEDULED SHIFT (LTA).